Which of these prices is lower than 5 rentals for $9 comparing price per rental?

a) 3 rentals for $6
b) 8 rentals for $16
c) 6 rentals for $10
d) 10 rentals for $19

Someone me! will award brainliest if u explain and answer!

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?

Me. brady is putting trim around the edge of circular merry-go-round that has diameter of 15 feet. how much trim does he need to buy to the nearest tenth